ABSTRACT

  Background and Aim: In most individuals, each kidney is supplied by a single renal^�artery and a vein, however multiple renal arteries and veins is not uncommon. In comparison to conventional angiography computed tomographic (CT)^�angiography is a new and less aggressive measure used for detection of normal renal vascular anatomy and diagnosis^�of vascular variants. To evaluate the frequency of normal vascular variants in 62 patients (124 Kidneys), underwent abdominal CT Angiography (Aortography).

  Material and Methods: During a period of one year, abdominal CT angiography was performed in 62 patients, 48 male and 14 female between 7-74 years of age (Mean 25.68 years). The angiographic images were studied after being reconstituted by use of a computer. There was no complication and all patients tolerated the procedure without any reaction and/or discomfort. One forth of the patients felt some warmness during contrast injection.

  Results: In 98 (79%) kidneys only one renal artery, in 20 kidneys (16.1%) two arteries, in 4 kidneys three arteries, and in two kidneys four arteries were detected. In 109 kidneys (88%) only one vein and in 15 kidneys (12%) two renal veins were detected and circum-aortic renal vein or renal collar was found only in one case.

  Conclusion: In this study the frequency of multiple renal vascular variants was less common than those of other studies. By use of spiral CT angiography and reconstitution of images by a computer, renal arteries and veins can be investigated in a short time avoiding invasive sequela or any complication for the patients.